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| author | Wolfgang Denk <wd@denx.de> | 2009-07-23 00:57:18 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-07-23 00:57:18 +0200 |
| commit | 49a7720b215aa3da24bb13266c4c194012f499a6 (patch) | |
| tree | ca38f71b98cb6ae8baaf4097e6a09297e0753a21 /board/keymile/common/common.c | |
| parent | 5a625149dbe14d381df454c459c6aaf27d59af20 (diff) | |
| parent | 39df00d9aecfb465b9eec9af593f9b763fb5209a (diff) | |
| download | u-boot-imx-49a7720b215aa3da24bb13266c4c194012f499a6.zip u-boot-imx-49a7720b215aa3da24bb13266c4c194012f499a6.tar.gz u-boot-imx-49a7720b215aa3da24bb13266c4c194012f499a6.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-i2c
Diffstat (limited to 'board/keymile/common/common.c')
| -rw-r--r-- | board/keymile/common/common.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c index 2594623..ec27bda 100644 --- a/board/keymile/common/common.c +++ b/board/keymile/common/common.c @@ -424,6 +424,7 @@ static int get_scl (void) #endif +#if !defined(CONFIG_KMETER1) static void writeStartSeq (void) { set_sda (1); @@ -474,6 +475,7 @@ static int i2c_make_abort (void) get_sda (); return ret; } +#endif /** * i2c_init_board - reset i2c bus. When the board is powercycled during a @@ -481,6 +483,23 @@ static int i2c_make_abort (void) */ void i2c_init_board(void) { +#if defined(CONFIG_KMETER1) + struct fsl_i2c *dev; + dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET); + uchar dummy; + + out_8 (&dev->cr, (I2C_CR_MSTA)); + out_8 (&dev->cr, (I2C_CR_MEN | I2C_CR_MSTA)); + dummy = in_8(&dev->dr); + dummy = in_8(&dev->dr); + if (dummy != 0xff) { + dummy = in_8(&dev->dr); + } + out_8 (&dev->cr, (I2C_CR_MEN)); + out_8 (&dev->cr, 0x00); + out_8 (&dev->cr, (I2C_CR_MEN)); + +#else #if defined(CONFIG_HARD_I2C) volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR ; volatile i2c8260_t *i2c = (i2c8260_t *)&immap->im_i2c; @@ -500,6 +519,7 @@ void i2c_init_board(void) /* Set the PortPins back to use for I2C */ setports (0); #endif +#endif } #endif #endif |